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Does Increasing the Area of a Loop in a Magnetic Field Induce Current?
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[QUOTE="BvU, post: 4986458, member: 499340"] As far as I can distinguish the way you intended the configuration is indeed the way I understood it. So: yes, the movement of the wire increasing the diameter of the loop induces an electromotive force. And it can be calculated using Faraday's law $$ \mathcal E = \oint_{\partial \Sigma} \vec E \cdot d\vec \ell= -{d\over dt}\;\int_\Sigma \vec B \cdot \vec{dA} $$which comes down to ##B\; \frac{dA}{dt}## [/QUOTE]
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Does Increasing the Area of a Loop in a Magnetic Field Induce Current?
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